Born and educated in the United States, Lashley began to collaborate with Shepherd J. Franz in the study of intelligence and the role of the frontal lobes. He promulgated the theory of cortical specialization for sensory and motor functions. He challenged the ongoing concept of cortical localization. The controversy between localization and holistic emphasis of brain function was brought into focus by Lashley. He is remembered as a great psychologist who approached learning and memory by assessing the effects of brain damage in laboratory animals.

Brain incisions in rat brain
made by Lashley for Study of Memory

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